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Entropic control of particle sizes during viral self-assembly

Abstract : Morphologic diversity is observed across all families of viruses. Yet these supra-molecular assemblies are produced most of the time in a spontaneous way through complex molecular self-assembly scenarios. The modeling of these phenomena remains a challenging problem within the emerging field of Physical Virology. We present in this work a theoretical analysis aiming at highlighting the particular role of configuration entropy in the control of viral particle size distribution. Specializing this model to retroviruses like HIV-1, we predict a new mechanism of entropic control of both RNA uptake into the viral particle, and of the particle's size distribution. Evidence of this peculiar behavior has been recently reported experimentally.
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Contributor : Martin Castelnovo Connect in order to contact the contributor
Submitted on : Tuesday, February 19, 2013 - 5:49:00 PM
Last modification on : Thursday, November 21, 2019 - 2:12:52 AM
Long-term archiving on: : Sunday, April 2, 2017 - 2:36:22 AM


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  • HAL Id : ensl-00790070, version 1
  • ARXIV : 1302.4724



Martin Castelnovo, Delphine Muriaux, Cendrine Faivre-Moskalenko. Entropic control of particle sizes during viral self-assembly. 2013. ⟨ensl-00790070⟩



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